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Consultants
Engineering Staff

Our Team

Consultants

Gerald P. Bretting, PE

Sr. Consulting Engineer, Partner Emeritus

  • Vehicular Accident Reconstruction

  • Bicycle Product Evaluation

  • Dangerous Condition Evaluation Associated with Two Wheeled Vehicles (Primarily Bicycles)

Download Curriculum Vitae
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Michael A. Callahan, BSME

Senior Consultant, Partner

  • Vehicular Accident Reconstruction

  • Commercial Vehicle EDR and Rapid Response

  • Video Analysis, 3D Animation and Simulation

Download Curriculum Vitae
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Sean G. Snyder, BSPhy

Senior Staff Engineer

  • Vehicular Accident Reconstruction

  • Passenger Vehicle EDR

  • Photogrammetry and Simulation

  • Video Analysis

Download Curriculum Vitae
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Jose E. Tovar, BSME

Senior Staff Engineer

  • Vehicular Accident Reconstruction

  • Passenger & Commercial Vehicle EDR

  • Photogrammetry and Simulation

  • Video Analysis

Download Curriculum Vitae

Alvin Lowi III, PE

Senior Consulting Engineer, Partner

  • Vehicular Accident Reconstruction

  • Automotive Systems and EDR Analysis

  • Mechanical Systems and Failure Analysis

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Download Curriculum Vitae

Beau LeBlanc, BSME

Senior Consultant, Partner

  • Vehicular Accident Reconstruction

  • Commercial & Passenger Vehicle EDR

  • Automotive Systems Failure Analysis

  • Complex Photogrammetry and Simulation

Download Curriculum Vitae
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Christopher R. Johnk, PE

Senior Staff Engineer

  • Vehicular Accident Reconstruction

  • Passenger & Commercial Vehicle EDR

  • Automotive Systems Analysis

Download Curriculum Vitae
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Christian T. Dooley, BSME

Senior Staff Engineer

  • Vehicular Accident Reconstruction

  • Passenger & Commercial Vehicle EDR

  • Photogrammetry and Simulation

  • Drone-based Aerial Data Acquisition

Download Curriculum Vitae

David R. Thom, MS

Senior Consultant, Partner Emeritus

  • Analysis of Collision-Involved Safety Helmets and Crash Performance Research

  • Helmet Potential Effect on Injury

  • Helmet Standard Compliance Testing

Download Curriculum Vitae
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Samuel D. White, BSME

Senior Consultant, Partner

  • Vehicular Accident Reconstruction

  • Commercial & Passenger Vehicle EDR

  • Automotive Systems Analysis

  • Complex Photogrammetry and Simulation

Download Curriculum Vitae
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D. Michael Sweet, PE

Senior Staff Engineer

  • Vehicular Accident Reconstruction and EDR Analysis

  • Pedestrian and Two-Wheeled Vehicle Accident

  • Bicycle Operation Standard of Care and Dangerous Conditions

Download Curriculum Vitae
Engineering and Support Staff
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Shayne A. Sharp, BSME

Staff Engineer

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CJ Reyes, BSME

Staff Engineer

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Nathan R. Gonzalez

Jr. Staff Engineer

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Ryan W. Wiley

3D Data Group Manager

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Le Sun

Visualization Manager

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Blake L. Newton, BSME

Staff Engineer

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Szymon G. Lao, BSME

Jr. Staff Engineer

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Jose A. Salazar

Jr. Staff Engineer

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Jarod B. Hodge

Scan Data Technician

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David M. Wells, BSME

Support Staff

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Ryan V. Porter, BSME

Staff Engineer

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Raam H. Patel, BSME

Jr. Staff Engineer

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Luciano E. Hernandez

Engineer Support Staff

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Ryan N. McKinney

Scan Data Technician

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Lisa M. Dawsey

Senior Executive Assistant, Team Lead

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Emely Contreras Chavez

Executive Assistant

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Zaida N. Nava, MS, SHRM-CP

Human Resources Manager

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Kathrina T. Boyles

Senior Executive Assistant, Team Lead

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Kristin A. Fulton

Administrative Assistant

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E. Jennifer Wahba, MBA

Chief Financial Officer

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Kathy M. Braun

Executive Assistant 

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Jeffrey J. Bagge

IT & Facilities Manager

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Christopher D. Wilhelm, MSME

Chief Executive Officer, Partner

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